rainbow_rocks03
  • rainbow_rocks03
PLZ HELP , NO DIRECT ANSWERS PLZ. State whether either extreme in the data set is an outlier. A. The upper extreme is an outlier. B. Neither extreme is an outlier. C. Both extremes are outliers. D. The lower extreme is an outlier.
Mathematics
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katieb
  • katieb
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rainbow_rocks03
  • rainbow_rocks03
http://static.k12.com/calms_media/media/713500_714000/713596/2/49ca47f478b13c555c3295f257a916b729fcad8f/74618_question.jpg
rainbow_rocks03
  • rainbow_rocks03
@shilo120
amistre64
  • amistre64
do you have a rule for determining outliers?

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More answers

anonymous
  • anonymous
i would say C
amistre64
  • amistre64
if i recall these questions from previous encounters Q1 to Q3 is 50% of the data, so its range is relevant. Q1 - (IQR)/2 would define the lowest non outlier Q3 + (IQR)/2 would define the highest non outlier
anonymous
  • anonymous
this question isnt mine
amistre64
  • amistre64
What is the IQR?
rainbow_rocks03
  • rainbow_rocks03
25?
amistre64
  • amistre64
22
rainbow_rocks03
  • rainbow_rocks03
oh
amistre64
  • amistre64
68 to 90 is 22
amistre64
  • amistre64
so 68-11 is our lowest non outlier limit 90+11 is our highest non outlier limit assuming you go by the IQR rule for outliers
rainbow_rocks03
  • rainbow_rocks03
68-11=57 & 90+11=101
amistre64
  • amistre64
good, and as we can see the entire box plot is within 57 to 101, so what is our conclusion?
rainbow_rocks03
  • rainbow_rocks03
B?
amistre64
  • amistre64
i would go with B as well, and this link might provide a better overview of what i was trying to recall ... just in case i made some sort of error. http://www.mathwords.com/o/outlier.htm
rainbow_rocks03
  • rainbow_rocks03
ok TY. ^_^
amistre64
  • amistre64
the link says use 1.5(IQR) which is greater then (IQR)/2 ... so we should be fine regardelss :)

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